{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:U2NDRKASK336AYJVF3HHTLJJXO","short_pith_number":"pith:U2NDRKAS","schema_version":"1.0","canonical_sha256":"a69a38a81256f7e061352ece79ad29bba01e029be374a4afcbb30641a6496956","source":{"kind":"arxiv","id":"1612.07464","version":1},"attestation_state":"computed","paper":{"title":"Flux and polarization variability of OJ 287 during early 2016 outburst","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"C.S. Stalin, S. Muneer, S. Neha, Suvendu Rakshit, Vaidehi S. Paliya","submitted_at":"2016-12-22T07:04:49Z","abstract_excerpt":"The gamma-ray blazar OJ 287 was in a high activity state during December 2015 - February 2016. Coinciding with this high brightness state, we observed this source for photometry on 40 nights in R-band and for polarimetry on 9 epochs in UBVRI bands. During the period of our observations, the source brightness varied between $13.20 \\pm 0.04$ to $14.98 \\pm 0.04$ mag and the degree of polarization (P ) fluctuated between $6.0 \\pm 0.3$% and $28.3 \\pm 0.8$% in R-band. Focusing on intra-night optical variability (INOV), we find a duty cycle of about 71% using $\\chi^2$-statistics, similar to that know"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1612.07464","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-12-22T07:04:49Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"23ab427ec236183ffc420d1b793434f821a8fbd8badbf7d9d98c1d4be99df6a6","abstract_canon_sha256":"9b93f023cc0fbafab772df4d5f6d6a22e9f9425c637b084aa2de3a21e609ed91"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:12.378633Z","signature_b64":"Z/d/0yHxcyGAyNNMmOm0dGmo4xy8GGo7ARNT11yhS+15zrYhLAjY8DdSPB40fPaO35YDKIdSGLHKN0C4VRuuBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a69a38a81256f7e061352ece79ad29bba01e029be374a4afcbb30641a6496956","last_reissued_at":"2026-05-18T00:51:12.378064Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:12.378064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Flux and polarization variability of OJ 287 during early 2016 outburst","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"C.S. Stalin, S. Muneer, S. Neha, Suvendu Rakshit, Vaidehi S. Paliya","submitted_at":"2016-12-22T07:04:49Z","abstract_excerpt":"The gamma-ray blazar OJ 287 was in a high activity state during December 2015 - February 2016. Coinciding with this high brightness state, we observed this source for photometry on 40 nights in R-band and for polarimetry on 9 epochs in UBVRI bands. During the period of our observations, the source brightness varied between $13.20 \\pm 0.04$ to $14.98 \\pm 0.04$ mag and the degree of polarization (P ) fluctuated between $6.0 \\pm 0.3$% and $28.3 \\pm 0.8$% in R-band. Focusing on intra-night optical variability (INOV), we find a duty cycle of about 71% using $\\chi^2$-statistics, similar to that know"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07464","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1612.07464","created_at":"2026-05-18T00:51:12.378151+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.07464v1","created_at":"2026-05-18T00:51:12.378151+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07464","created_at":"2026-05-18T00:51:12.378151+00:00"},{"alias_kind":"pith_short_12","alias_value":"U2NDRKASK336","created_at":"2026-05-18T12:30:46.583412+00:00"},{"alias_kind":"pith_short_16","alias_value":"U2NDRKASK336AYJV","created_at":"2026-05-18T12:30:46.583412+00:00"},{"alias_kind":"pith_short_8","alias_value":"U2NDRKAS","created_at":"2026-05-18T12:30:46.583412+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/U2NDRKASK336AYJVF3HHTLJJXO","json":"https://pith.science/pith/U2NDRKASK336AYJVF3HHTLJJXO.json","graph_json":"https://pith.science/api/pith-number/U2NDRKASK336AYJVF3HHTLJJXO/graph.json","events_json":"https://pith.science/api/pith-number/U2NDRKASK336AYJVF3HHTLJJXO/events.json","paper":"https://pith.science/paper/U2NDRKAS"},"agent_actions":{"view_html":"https://pith.science/pith/U2NDRKASK336AYJVF3HHTLJJXO","download_json":"https://pith.science/pith/U2NDRKASK336AYJVF3HHTLJJXO.json","view_paper":"https://pith.science/paper/U2NDRKAS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.07464&json=true","fetch_graph":"https://pith.science/api/pith-number/U2NDRKASK336AYJVF3HHTLJJXO/graph.json","fetch_events":"https://pith.science/api/pith-number/U2NDRKASK336AYJVF3HHTLJJXO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U2NDRKASK336AYJVF3HHTLJJXO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U2NDRKASK336AYJVF3HHTLJJXO/action/storage_attestation","attest_author":"https://pith.science/pith/U2NDRKASK336AYJVF3HHTLJJXO/action/author_attestation","sign_citation":"https://pith.science/pith/U2NDRKASK336AYJVF3HHTLJJXO/action/citation_signature","submit_replication":"https://pith.science/pith/U2NDRKASK336AYJVF3HHTLJJXO/action/replication_record"}},"created_at":"2026-05-18T00:51:12.378151+00:00","updated_at":"2026-05-18T00:51:12.378151+00:00"}